File size: 3,583 Bytes
985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | # SPDX-License-Identifier: LGPL-2.1-or-later
# /***************************************************************************
# * Copyright (c) 2019 Victor Titov (DeepSOIC) <vv.titov@gmail.com> *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * This library is free software; you can redistribute it and/or *
# * modify it under the terms of the GNU Library General Public *
# * License as published by the Free Software Foundation; either *
# * version 2 of the License, or (at your option) any later version. *
# * *
# * This library is distributed in the hope that it will be useful, *
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
# * GNU Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this library; see the file COPYING.LIB. If not, *
# * write to the Free Software Foundation, Inc., 59 Temple Place, *
# * Suite 330, Boston, MA 02111-1307, USA *
# * *
# ***************************************************************************/
from Show.SceneDetail import SceneDetail
class Pickability(SceneDetail):
"""Pickability(object, pickstyle = None):Plugin for TempoVis for altering pick style
of objects (i.e., selectability).
pickstyle may be:
PS_REGULAR = 0 # selectable
PS_BOUNDBOX = 1 # selectable, but faster hit testing using bounding box
PS_UNPICKABLE = 2 # not selectable and not obstructing."""
class_id = "SDPickability"
propname = ""
objname = ""
def __init__(self, object, pickstyle=None):
self.objname = object.Name
self.doc = object.Document
self.key = self.objname
if pickstyle is not None:
self.data = pickstyle
def scene_value(self):
return getPickStyle(self.doc.getObject(self.objname).ViewObject)
def apply_data(self, val):
setPickStyle(self.doc.getObject(self.objname).ViewObject, val)
PS_REGULAR = 0
PS_BOUNDBOX = 1
PS_UNPICKABLE = 2
def getPickStyleNode(viewprovider, make_if_missing=True):
from pivy import coin
sa = coin.SoSearchAction()
sa.setType(coin.SoPickStyle.getClassTypeId())
sa.traverse(viewprovider.RootNode)
if sa.isFound() and sa.getPath().getLength() == 1:
return sa.getPath().getTail()
else:
if not make_if_missing:
return None
pick_style = coin.SoPickStyle()
pick_style.style.setValue(coin.SoPickStyle.SHAPE)
viewprovider.RootNode.insertChild(pick_style, 0)
return pick_style
def getPickStyle(viewprovider):
ps = getPickStyleNode(viewprovider, make_if_missing=False)
if ps is not None:
return ps.style.getValue()
else:
return PS_REGULAR
def setPickStyle(viewprovider, pickstyle):
ps = getPickStyleNode(viewprovider, make_if_missing=pickstyle != 0) # coin.SoPickStyle.SHAPE
if ps is not None:
return ps.style.setValue(pickstyle)
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